Cardboard pallet



FIG. 1 is a perspective view of a cardbord pallet showing my new design;

FIG. 2 is a side view, the other side being a mirror image thereof;

FIG. 3 is a front view, the rear being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines in the drawings are included for the purpose of illustrating environment and form no part of the claimed design. 

The ornamental design for a cardboard pallet, as shown and described. 